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diy solar

diy solar

PowMr now offering LF style Off grid AIO.

Mattb4

Solar security
Joined
Jul 15, 2022
Messages
5,927
Location
Off beaten path.
I happened to notice that there is a lineup of 24v-3kW, 48v-5kW and 48v-10Kw LF style inverters now being sold by PowMr. https://powmr.com/collections/low-frequency-inverter They are only single phase 120vAC or Euro 220vAC. I do not know who the parent manufacturer is. They claim a 3X surge current and not to bad of a PV: 30(60-10kW)-150Voc . Only 60a charge on the 3kW and 120a on the 10kW.

Based on the manual it looks very much like the same as my older 3kW EAsun (SRNE) unit only with a LF transformer output. Price is not too bad and with the PV range it could be a good choice for those folks with a need to operate at lower PV voltages. Some have complained with the advent of the higher PV range models like the PowMr 3KW of 450Voc and needing 150vDC to startup (120vDC min.) that is difficult to reach. The weight of these is much higher though than the older HF units.

May see these pop up under many names in the near future. Should be interesting to see if anyone gets one and reviews them in operation.
 
Lol at the model naming, POW-RELAB-xxx ... I wonder who the OEM is, they look interesting.
Myself not sure... but one of the "About Us" on PowMr web, states the following, as for three year have been " 2015-2020 - Core Agent of Epever and Growatt One of EPerver's largest distributors for three years.." Not sure who EPerver's is.

I certainly know who Growatt, as I now have almost 4 years of living on the edge with Growatt being Off Grid and basically little to No Support.

And now having two failures and two of the same models. and now dead limping since Oct 3 .. I am Done with Growatt... only because of No support.. This is because once having moved out of country, and bringing my first Growatt with me purchased from SS.. they did help 3.5 years ago. Now they are not in a position to further help. SS has done well in recent years, learning to improve Support for it's customers..

Growatt themselves because the replacement came directly from Growatt China and they are giving run around on a new unit purchase in May 2023, placed in service February 2024 and Failed in Oct 2024 after 9 months.

Since my system PV array is pretty much designed for Low Frequency and being Off Grid, there is no Utility service to use.. I am only setup for 4kw PV and my loads for the home are basically light, average 5-14 ahr demand...that should not be an issue for a 6000kw AiO.

My biggest headache or burr under my saddle. Growatt lacks support to even converse.. As a tech myself from another world of technology... and I don't claim to be an expert... and I know enough not to be dangerous, lol.. you would think these Tech people would have some respect for another who understands the same world and at least be cooperative in communications to understand.. But they could care less at Growatt..

So I search for a company who has the specs to meet my needs but more importantly Support.. As we know. Off Grid, when your down, it is more Time sensitive to be back Online.. I have now spent 2 plus months on Growatt and not any closer.. still need Parts

When you start looking into Support, I find a lot of these Dealer / Distributors, just want to sell..

I continue to look for a Good Product with Support... as "if its man made, it's going to break" fault or no fault..
I Do Not Recommend Growatt or any company that is not supportive reasonably in a timely manner..
Appreciate the ear.. Hope someone is listening.. :)
 

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